Sources:

-BBC Nature - http://www.bbc.co.uk/nature
-Encyclopedia of Life - http://eol.org/pages/4888/overview
-Microbe Wiki - https://microbewiki.kenyon.edu
-Microscopy UK - http://www.microscopy-uk.org.uk
-Penard - http://www.voelcker.com/Cercozoa/
-Plankton Chronicles - http://www.planktonchronicles.org
-The New York Times - http://www.nytimes.com
-The Seaweed Site - http://www.seaweed.ie
-The Tree of Life Project - http://tolweb.org/radiolaria
-The Variety of Life, Colin Tudge, 2000
-University of California Museum of Paleontology  - http://www.ucmp.berkeley.edu
-Wikipedia - http://en.wikipedia.org

Citation: García, A.I. 2015. The Tree Of Nature (Online) at http://thetreeofnature.com

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